﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace WindowsFormsApp1.IICMoudle
{
    public interface IICDataListener
    {
        void OnIICDataCallBack(string s);
    }
    internal class Utils

    {
        // 休眠若干毫秒，同时响应其他任务
        public static void Sleep(int Milliseconds)
        {
            if (Milliseconds < 0)
            {
                return;
            }
            DateTime current = DateTime.Now;

            while (DateTime.Now.Subtract(current).TotalMilliseconds < Milliseconds)
            {

            }
        }
        public static string ArrayToHexStr(byte[] data, int len)
        {
            StringBuilder sb = new StringBuilder();
            int length = data.Length;
            len = Math.Min(length, len);
            for (int i = 0; i < len; i++)
            {
                sb.Append(data[i].ToString("X2")).Append(" ");
            }
            return sb.ToString();
        }
        internal static string[] DecToHex(byte[] readRs)
        {
            string[] hexStrs = new string[readRs.Length];
            for (int i = 0; i < readRs.Length; i++)
            {
                hexStrs[i] = readRs[i].ToString("X2"); // 转换为两位十六进制字符串
            }
            return hexStrs;
        }

        public class StringTool
        {
            //判断一个字符串是否为 aa 55 a1 这样的字符串
            public static bool IsHex(string str)
            {
                int i = 0, len = -1;
                string pstr = "^";
                if (str.Length % 3 == 2) //最后面没有空格
                {
                    len = (str.Length + 1) / 3;
                    for (i = 0; i < len - 1; i++)
                        pstr = pstr + "[0-9a-fA-F][0-9a-fA-F][: :]";
                    pstr = pstr + "[0-9a-fA-F][0-9a-fA-F]";
                }
                else if (str.Length % 3 == 0) //最后面有空格
                {
                    len = str.Length / 3;
                    for (i = 0; i < len; i++)
                        pstr = pstr + "[0-9a-fA-F][0-9a-fA-F][: :]";
                }
                else
                {
                    return false;
                }

                if (Regex.IsMatch(str, pstr))
                {

                    return true;
                }
                else
                {
                    return false;
                }
            }
            public static String[] DecToHex(byte[] data)
            {
                String[] sData = new String[data.Length];
                for (int i = 0; i < data.Length; i++)
                {
                    sData[i] = Convert.ToString(data[i], 16).PadLeft(2, '0').ToUpper();
                }
                return sData;
            }

            //字符串转16进制数
            public static byte[] StrToToHexByte(string hexString)
            {
                hexString = hexString.Replace(" ", "");
                if ((hexString.Length % 2) != 0)
                    hexString += " ";
                byte[] returnBytes = new byte[hexString.Length / 2];
                for (int i = 0; i < returnBytes.Length; i++)
                    returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
                return returnBytes;
            }
        }
        public static bool CheckSum(byte[] databuf, int datalength)
        {
            short dataSum = 0;
            for (int i = 0; i < datalength; i += 2)    //将数据相加 add the data 
            {
                short temp = (short)(((databuf[i + 1] << 8) & 0xff00) | (databuf[i] & 0xff));
                dataSum += temp;
            }
            if (0 == dataSum)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        // 计算 CRC16 以供 CRC 校验
        unsafe public static ushort CalCRC16(UInt32 buf, uint size)
        {
            int crc = 0;

            byte* p = (byte*)buf;

            while ((size--) != 0)
            {
                crc = _crc16_table[(crc >> 8 ^ *p++) & 0xff] ^ (crc << 8);
            }

            return (ushort)crc;

        }


        // CRC16表
        private static ushort[] _crc16_table =
        {
            0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
            0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
            0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
            0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
            0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
            0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
            0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
            0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
            0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
            0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
            0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
            0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
            0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
            0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
            0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
            0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
            0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
            0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
            0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
            0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
            0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
            0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
            0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
            0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
            0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
            0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
            0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
            0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
            0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
            0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
            0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
            0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
        };
        unsafe public static UInt32 GetAddress(byte[] b)
        {
            fixed (byte* p0 = b)
            {
                byte* p = p0;
                return (UInt32)p;
            }
        }
        // check sum 需要拼接，2byte拼接成一个word
        public static short CheckSumTwoBytes(byte[] buf, int start, int length)
        {
            short checkSum = 0;
            for (int i = 0; i < length / 2; i++)
            {
                short s = (short)((buf[i * 2 + 1 + start] << 8) & 0xFF00 | (buf[i * 2 + start] & 0xFF));
                checkSum += s;
            }
            return (short)(0 - checkSum);
        }
        public static bool CheckIsAllZero(int[] data)
        {
            foreach (int d in data)
            {
                if (d != 0)
                {
                    return false;
                }
            }
            return true;
        }

        public static bool CheckIsAllZero(byte[] data, int len)
        {
            for (int i = 0; i < len; i++)
            {
                if (data[i] != 0 && data[i] != 0xff)
                {
                    return false;
                }
            }
            return true;
        }
    }
}
